628418982888 has 80 divisors (see below), whose sum is σ = 1761894428580. Its totient is φ = 209265990912.

The previous prime is 628418982839. The next prime is 628418982899. The reversal of 628418982888 is 888289814826.

628418982888 is a `hidden beast` number, since 6 + 28 + 418 + 98 + 28 + 88 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 626950407204 + 1468575684 = 791802^2 + 38322^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 177756 + ... + 1135092.

Almost surely, 2^628418982888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 628418982888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880947214290).

628418982888 is an abundant number, since it is smaller than the sum of its proper divisors (1133475445692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628418982888 is a wasteful number, since it uses less digits than its factorization.

628418982888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958368 (or 958355 counting only the distinct ones).

The product of its digits is 226492416, while the sum is 72.

The spelling of 628418982888 in words is "six hundred twenty-eight billion, four hundred eighteen million, nine hundred eighty-two thousand, eight hundred eighty-eight".